Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2025 18:13

General

  • Target

    JaffaCakes118_cecdcd91d05b749a282783624a928846.exe

  • Size

    14.9MB

  • MD5

    cecdcd91d05b749a282783624a928846

  • SHA1

    a29aa38c67d167ddda8565b00832d3a5154bebad

  • SHA256

    ab36fce7f0edb63b7d13f0521da1ef199e5279653c402ccbcaea5c91145e7db8

  • SHA512

    3156ab813d4e406b47d7fa91357ed1920f9ce0b7126505bcb4532817e56fcece8110d45079fc9f067621e472d3774c220a1e1cb9b91fc9b004cf2ef467ee02af

  • SSDEEP

    49152:5kHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Tofsee family
  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cecdcd91d05b749a282783624a928846.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cecdcd91d05b749a282783624a928846.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ndpugjqd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2256
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\piwiauwj.exe" C:\Windows\SysWOW64\ndpugjqd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2108
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ndpugjqd binPath= "C:\Windows\SysWOW64\ndpugjqd\piwiauwj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cecdcd91d05b749a282783624a928846.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2156
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ndpugjqd "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2660
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ndpugjqd
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2792
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2664
  • C:\Windows\SysWOW64\ndpugjqd\piwiauwj.exe
    C:\Windows\SysWOW64\ndpugjqd\piwiauwj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cecdcd91d05b749a282783624a928846.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\piwiauwj.exe

    Filesize

    12.8MB

    MD5

    7f7e23653de4fd95e3f4262db5dee5e1

    SHA1

    02a62500cb6beac6870ddeaabcc291c0c069c53b

    SHA256

    7cffc1b0989c86e63d356888d0aabe9e0ec10898db1dbfe46869ea76729d5456

    SHA512

    312634d148336ea31e85bd1b769b9c2b46422a8929a1298ba86354c85ea76aadeb1a815d156e6ca5d04bc8e6d2ce5929ce0a164707cef42d978f5bc9c996a927

  • memory/2024-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

    Filesize

    1024KB

  • memory/2024-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2024-4-0x0000000000400000-0x0000000000785000-memory.dmp

    Filesize

    3.5MB

  • memory/2024-9-0x0000000000400000-0x0000000000785000-memory.dmp

    Filesize

    3.5MB

  • memory/2024-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2688-15-0x0000000000400000-0x0000000000785000-memory.dmp

    Filesize

    3.5MB

  • memory/2852-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2852-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2852-12-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2852-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2852-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB